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WO/2023/182717A1 |
The present invention provides a charging apparatus comprising: a current measurement module for measuring a current flowing in a secondary battery during charging and discharging of the secondary battery; a charging and discharging modu...
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WO/2023/175449A1 |
Systems, devices, and techniques are described for calibrating a medical device that senses ECAP signals from a patient's nerve tissue. For example a method includes: instructing, with processing circuitry, stimulation circuitry of a med...
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WO/2023/176762A1 |
An output circuit according to the present invention comprises: a control voltage generation unit that generates in a first node a first control voltage based on an input voltage signal and generates in a second node a second control vol...
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WO/2023/178200A1 |
Provided is a dual-drive based Doherty amplifier that includes a first power amplifier and a second power amplifier that is in parallel with the first power amplifier. The first power amplifier is configured to receive a first portion of...
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WO/2023/176670A1 |
In the present invention, first, a differential current pair corresponding to a difference between a reference voltage and a sensed voltage is generated. Next, the differential current pair is converted into a first current based on a fi...
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WO/2023/173241A1 |
The present application discloses a class-D amplifier, and a related chip and electronic device. The class-D amplifier is used for generating a differential output signal according to a differential input signal, and comprises a PWM modu...
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WO/2023/177937A1 |
Certain aspects of the present disclosure provide techniques for digital pre-distortion (DPD). An apparatus for wireless communication generally includes a power amplifier (PA); a first DPD circuit, a second DPD circuit, and a transmitte...
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WO/2023/176526A1 |
A first voltage divider circuit 252 receives an internal power source voltage VREGD at an input node. An input node of a buffer 254 is connected to an output node FILA of the first voltage divider circuit 252. A second divider circuit 25...
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WO/2023/171364A1 |
A high-frequency module (1) comprises a carrier amplifier (11), peak amplifiers (12 and 20), a transformer (30), a phase-shifting line (40), and bias circuits (51 and 52). The amplifiers are included in a semiconductor IC (80), input ter...
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WO/2023/172403A1 |
Semiconductor devices are provided that include a Group III nitride-based semiconductor layer structure. A first metal layer is formed on an upper surface of the semiconductor layer structure, a first dielectric layer is formed on an upp...
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WO/2023/171910A1 |
An electronic device, according to various embodiments, may comprise: a power amplifier for amplifying an input signal; an antenna module for transmitting an RF signal amplified in a circuit of the power amplifier; and a communication pr...
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WO/2023/170190A1 |
A readout-circuit (110) is proposed. The readout-circuit (110) is configured for converting an analog sensor charge (112) into a digital output count (114). The readout-circuit (110) comprises at least one integrate-and-fire(IAF)-circuit...
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WO/2023/171499A1 |
A power amplifying device 10A comprises: a first amplifier 110 that outputs an output sound signal Vout to a speaker 20 for converting the signal into a sound; a voltage feedback circuit 100 that negatively feeds back the voltage of the ...
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WO/2023/171125A1 |
In this low-noise amplifier using a grounded source amplification circuit, frequency characteristics are improved while reducing noise.　The low-noise amplifier comprises: a grounded gate amplification circuit; an inversion amplificatio...
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WO/2023/164795A1 |
Disclosed in embodiments of the present application is an off-chip output stage driver circuit, comprising an amplification module for receiving an input signal, amplifying the input signal and then outputting a primary output signal; a ...
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WO/2023/168290A1 |
Certain aspects of the present disclosure provide techniques for applying digital pre-distortion with frequency selectivity to a transmission signal. An example technique includes determining one or more target parameters of an input sig...
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WO/2023/167864A1 |
Amplification circuitry is disclosed that couples neutralization transistors to amplification transistors to neutralize parasitic capacitance of the amplification transistors. Gates of a first amplification transistor and a first neutral...
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WO/2023/165699A1 |
A driver amplifier for an optical transmitter includes a first and a second amplifier channel, each configured to amplify a respective radio frequency channel signal. The first and the second amplifier channel each include a direct curre...
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WO/2023/167885A1 |
A transimpedance amplifier system (TIA) for stabilizing high gain and high frequency signals while minimizing parasitic capacitance effects on the transimpedance amplifier system. The TIA includes an operational amplifier having a first ...
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WO/2023/168149A1 |
Methods and apparatus for a signal isolator that mitigates the effects of CMTI strikes. In embodiments, a first die comprises a transmit module and the first die has a first voltage domain; and a second die comprises a receive module inc...
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WO/2023/161010A1 |
A multilevel linear amplifier with nonlinear components, MLINC (1), for a radio-frequency transmitter, the MLINC (1) comprising a first outphasing amplifier (2) designed to receive a first set of input signals (S11, S12) and to provide a...
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WO/2023/162173A1 |
An amplifier (1) comprises: a first signal source (2) that outputs a first-frequency signal and a second-frequency signal; a second signal source (3) that outputs a first-frequency signal and a second-frequency signal; a first amplifier ...
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WO/2023/162814A1 |
An amplifier (1) comprises: a first transistor (M1); a second transistor (M2) disposed adjacent to the first transistor in a plan view; first wiring (31) disposed around the first and second transistors in a plan view; and second wiring ...
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WO/2023/164036A1 |
A power amplifier includes an over-current protection loop and/or an over-voltage protection loop to assist in preventing operation outside a safe operating zone. In particular, a trigger threshold for the protection loop may dynamically...
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WO/2023/164369A1 |
A virtual radio frequency (VRF) equalizer for an envelope tracking integrated circuit (ETIC) is disclosed. In one aspect, an ETIC provides envelope tracking (ET) for a barely Doherty (BD) power amplifier stage. The VRF equalizer includes...
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WO/2023/162655A1 |
This Doherty amplification circuit (10) comprises a single-stage or multi-stage carrier amplifier (11) and a multi-stage peak amplifier (12). The peak amplifier (12) has a greater number of stages than that of the carrier amplifier (11).
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WO/2023/160391A1 |
Provided are a fingerprint detection amplification circuit (20a) and a fingerprint identification device. The fingerprint detection amplification circuit (20a) comprises a fully differential amplifier (21), a switch group (23), a first f...
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WO/2023/163796A1 |
This description relates, generally, to protecting a circuit from an input voltage. Various examples include an apparatus including one or more circuits to draw current from, or provide current to, a pair of connectors for an input circu...
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WO/2023/159651A1 |
Provided in the embodiment of the present application are a conversion circuit and a conversion method, a radio frequency chip, a radio frequency transceiver and an electronic device. The present application relates to the technical fiel...
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WO/2023/162826A1 |
A constant voltage circuit 500 stabilizes a voltage VFILA generated at a capacitor connection terminal FILA. An internal circuit 410 operates on the basis of the voltage VFILA generated at the capacitor connection terminal FILA. A first ...
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WO/2023/155064A1 |
The present disclosure relates to the technical field of integrated circuits. Specifically disclosed is an operational amplifier, which is used for solving the problem of mismatch. The specific implementation solution involves: the opera...
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WO/2023/155600A1 |
The present application relates to a common-mode voltage dynamic modulation circuit and method and a D-class audio power amplifier. The modulation circuit comprises: a signal input end and a common-mode voltage dynamic adjustment module;...
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WO/2023/157702A1 |
This high frequency circuit (1) comprises: an input terminal (110); an antenna connection terminal (100); a carrier amplifier (21); a peak amplifier (22); preamplifiers (11 and 23); a transformer (30) having an input coil (301) and an ou...
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WO/2023/157270A1 |
An amplifier (1) comprises: a signal acquisition unit (21) which acquires an input signal that is a digital signal; a signal generation unit (22) which generates an in-phase signal, an orthogonal signal, and an envelope signal by using t...
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WO/2023/158842A1 |
An exemplary complementary bi-directional amplifier (e.g., for 5G wireless systems in RF and mm-Wave frequencies, RADAR, etc.) and methods are disclosed that employ an integrated front-end transmitter (TX) and receiver (RX) chains in eac...
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WO/2023/157725A1 |
A high frequency circuit (1) comprises a carrier amplifier (21) capable of amplifying high frequency signals in a band A, a carrier amplifier (22) capable of amplifying high frequency signals in a band B, peak amplifiers (23 and 24) capa...
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WO/2023/154281A1 |
Disclosed herein are related to systems and methods for adaptively configuring various components of a wireless device. In one aspect, the wireless device includes a first low noise amplifier, a second low noise amplifier, and an attenua...
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WO/2023/154823A1 |
A system and method which includes receiving an input signal and providing, by an amplifier circuit (1308), an output signal in response to the input signal, the output signal having an envelope. An envelope detection signal correspondin...
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WO/2023/152101A1 |
The invention relates to a station (1) for charging a hybrid or electric vehicle via a power grid, the station being capable of receiving an electrical signal from the grid, which electrical signal comprises: - a sinusoidal power signal ...
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WO/2023/153458A1 |
This tracker module (100A) comprises a module board (90), an integrated circuit (80) disposed in the module board (90), and an output terminal (141) and a plurality of output terminals (121-124) that are externally connectable, wherein: ...
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WO/2023/154795A2 |
The present disclosure provides a system for a wideband coupler balun with a load modulated power amplifier wherein the system can comprise a first port, a second port, a differential port, a differential main power amplifier, and an aux...
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WO/2023/153460A1 |
A power circuit (1) comprises a switched capacitor circuit (20) configured to generate a plurality of discrete voltages on the basis of an input voltage, a power modulator (30A) configured to selectively output, to a power amplifier (2A)...
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WO/2023/153964A1 |
A power amplifier arrangement (100) comprises comprising a first power amplifier (P1) and a second power amplifier (P2) of a Doherty power amplifier (110). The power amplifier arrangement (100) further comprises an input power splitter (...
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WO/2023/153526A1 |
The present invention achieves a limiter circuit and a power amplification circuit with which it is possible for an output power of an amplifying transistor to be effectively limited in accordance with an amplitude of an input signal. A ...
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WO/2023/150930A1 |
Disclosed in the present application are a transmitter and a signal processing method, which have relatively low power source loss and relatively high safety. The transmitter comprises at least one power amplification circuit and a match...
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WO/2023/150434A1 |
A hybrid power amplifier circuit is provided. The hybrid power amplifier circuit includes a carrier amplifier and a peak amplifier configured to collectively amplify a radio frequency (RF) signal from a time-variant input power to a time...
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WO/2023/150714A2 |
Various voltage multipliers are disclosed for charging high voltage batteries and/or devices. The voltage multiplier includes an input node configured to receive an input voltage; an output node configured to output an output voltage, wh...
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WO/2023/150432A1 |
A multi-transmission envelope tracking (ET) circuit is provided. The multi-transmission ET circuit includes multiple voltage circuits configured to generate multiple modulated voltages for amplifying multiple radio frequency (RF) signals...
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WO/2023/150587A1 |
A bias circuit (3300) for a power amplifier (3310) is disclosed. The bias circuit (3300) may select between different power sources based on a power need for the power amplifier (3310). As voltage levels between the different power sourc...
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WO/2023/148207A1 |
The invention relates to an electro-optical mixer (1) having an electrical output, the electro-optical mixer comprising: - a photodiode (PD) for converting an incident optical signal, - a first and a second terminal, to which first termi...
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